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Parent Company Statements - Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income: |  |  |
Interest and dividends | $ 286,424 | $ 276,258 | $ 265,074
Gain (Loss) on Sale of Investments | 1,821 | 0 | 0
Interest Expense | 42,665 | 38,172 | 37,442
Expense: |  |  |
Federal income tax benefit | (34,227) | (36,760) | (32,567)
Net income | 84,242 | 86,135 | 81,012
Other Comprehensive Income (Loss), Net of Tax | (8,709) | (2,102) | (2,035)
Parent Company |  |  |
Income: |  |  |
Dividends from subsidiaries | 60,000 | 60,000 | 60,000
Interest and dividends | 1,500 | 2,164 | 2,561
Gain (Loss) on Sale of Investments | 1,821 | 0 | 0
Other | 1,405 | 1,081 | 560
Total income | 64,726 | 63,245 | 63,121
Interest Expense | 1,073 | 2,429 | 2,369
Expense: |  |  |
Other, net | 8,805 | 9,730 | 9,972
Total expense | 9,878 | 12,159 | 12,341
Income before federal taxes and equity in undistributed income of subsidiaries | 54,848 | 51,086 | 50,780
Federal income tax benefit | 2,695 | 4,357 | 4,671
Income before equity in undistributed income of subsidiaries | 57,543 | 55,443 | 55,451
Equity in undistributed income of subsidiaries | 26,699 | 30,692 | 25,561
Net income | 84,242 | 86,135 | 81,012
Other Comprehensive Income (Loss), Net of Tax | (8,709) | (2,102) | (2,035)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | $ 75,533 | $ 84,033 | $ 78,977

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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